Question

(7x-11)^3=2^5x5^2+200

Answer 1

(7x-11)³ = 1000(tính ra r nhé)

(7x-11)³ = 10³

7x-11 = 10

7x = 21

x = 3

Answer 2

(7x−11)3=25.52+200

(7�−11)3=800+200(7x−11)3=800+200

(7�−11)3=1000(7x−11)3=1000

(7�−11)3=103(7x−11)3=103

$\left(7x-11\right)=10$

$7x=21$

$x=3$